ZW20-12 outdoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV outdoor switch equipment

Short Description:

♦ Installation way: pole mounted;
♦ Pole type: integrated pole;
♦ Application: outdoor 12kV substation, power plant.
♦ Operation type: manual, electric, remote control.

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Product Detail

Product Tags

Description

♦ Installation way: pole mounted;
♦ Pole type: integrated pole;
♦ Application: outdoor 12kV substation, power plant.
♦ Operation type: manual, electric, remote control.

Environmental Conditions
♦ Altitude: <2000m;
♦ Air temperature: -40°C 〜+40°C; daily temperature change <25°C;
♦ Wind speed < 35m/s;
♦ Filthy level: IV;
♦ Installation places: No fire, explosion hazard, severe chemical corrosion or serious vibration;
♦ Earthquake intensity: <8 level.

Main Technical Parameters

NO	Item		Unit	Value
1	Rated voltage		kV	12
2	Power frequency withstand voltage (1min)	(dry) inter-phase, earth/fracture；	kV	42/48
2	Power frequency withstand voltage (1min)	(wet) inter-phase, earth	kV	34
3	Lightning impulse withstand voltage (interphase, earth/fracture)		kV	75/85
4	Rated current		A	630,1250
5	Rated frequency		Hz	50
6	Rated short circuit breaking current		kA	20, 25
7	Rated peak value withstand current (peak)		kA	50, 63
8	Rated short time withstand current		kA	20, 25
9	Rated short circuit making current		kA	50, 63
10	Rated short circuit duration		S	4
11	Rated operating sequence		Times	O-0.3S-CO-1 80S-CO
12	Rated short circuit breaking current breaking number		Times	30
13	Mechanical life		Times	10000
14	Rated operation voltage (can be customized)		V	220
15	Opening time		ms	≤80
16	Closing time		ms	≤120
17	Fully breaking time		ms	≤100
18	Rated cable charging breaking current		A	50
19	Grade			E2~C2~M2(10000)
20	Rated short circuit breaking current breaking number		Times	30